vivo X21 vs vivo Z3
Side-by-side specs and price comparison for buyers in Algeria.
vivo X21
Price coming soon
vivo Z3
Price coming soon
Quick Verdict
Who wins each category, side by side.
Better price
Even
Faster chip
Even
Bigger battery
vivo Z3
Faster charging
Even
Higher-resolution camera
vivo Z3
Better display
vivo X21
Lighter body
vivo X21
Best value for money
Even
Full specs comparison
Display
| Spec | vivo X21 | vivo Z3 |
|---|---|---|
| Size (inches) | 6.28 | 6.3 |
| Panel Type | AMOLED | IPS LCD |
| Resolution Height | 2280 | 2280 |
| Resolution Width | 1080 | 1080 |
| PPI | 402 | 400 |
| Glass Type | Corning Gorilla Glass 3 | — |
| Screen-to-body | 85.2 | 84 |
Platform
| Spec | vivo X21 | vivo Z3 |
|---|---|---|
| CPU | Octa-core (4x2.2 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver) | Octa-core (2x2.0 GHz 360 Gold & 6x1.7 GHz Kryo 360 Silver)Octa-core (2x2.2 GHz 360 Gold & 6x2.2 GHz Kryo 360 Silver) |
| GPU | Adreno 512 | Adreno 615Adreno 616 |
| Chipset Name | Snapdragon 660 | Snapdragon 670 Qualcomm SDM710 Snapdragon 710 (10 nm) |
| Process (nm) | 14 | 10 |
| OS Name | Android | Android |
| OS Version | 8.1 | 8.1 |
Memory
| Spec | vivo X21 | vivo Z3 |
|---|---|---|
| Card Slot | microSDXC (uses shared SIM slot) | microSDXC (dedicated slot) |
| Variants | 64GB 6GB RAM, 128GB 6GB RAM | 64GB 4GB RAM, 64GB 6GB RAM, 128GB 6GB RAM |
Main Camera
| Spec | vivo X21 | vivo Z3 |
|---|---|---|
| Video | 1080p@30fps | 1080p@30fps |
| Features | LED flash, HDR, panorama | LED flash, HDR, panorama |
| Count | 2 | 2 |
| Depth | 5 MP, f/2.4, (depth) | 2 MP, f/2.4, (depth) |
| Lens | 12 MP, f/1.8 | 16 MP, f/2 |
Selfie Camera
| Spec | vivo X21 | vivo Z3 |
|---|---|---|
| Video | 1080p@30fps | 1080p@30fps |
| Features | — | HDR |
| Count | 1 | 1 |
| Lens | 12 MP, f/2, (wide) | 12 MP, f/2, (wide) |
Battery
| Spec | vivo X21 | vivo Z3 |
|---|---|---|
| Capacity (mAh) | 3200 | 3315 |
| Chemistry | Li-Ion | — |
| Wired Charging (W) | 18 | — |
Body
| Spec | vivo X21 | vivo Z3 |
|---|---|---|
| Build | Glass front (Gorilla Glass 3), aluminum back, aluminum frame | — |
| SIM | Nano-SIM + Nano-SIM | Nano-SIM + Nano-SIM |
| Height (mm) | 154.5 | 156 |
| Thickness (mm) | 7.4 | 8.1 |
| Weight (g) | 156.2 | 164 |
| Width (mm) | 74.8 | 75.6 |
Launch
| Spec | vivo X21 | vivo Z3 |
|---|---|---|
| Announced | 2018, March. Released 2018, March | 2018, October. Released 2018, October |
| Status | Discontinued | Discontinued |
Network
| Spec | vivo X21 | vivo Z3 |
|---|---|---|
| 2G Bands | GSM 850, 900, 1800, 1900 | GSM 850, 900, 1800, 1900 |
| 3G Bands | HSDPA 850, 900, 1900, 2100 | HSDPA 850, 900, 2100 |
| 4G Bands | 1, 2, 3, 5, 8, 34, 38, 39, 40, 41 | 1, 3, 5, 8, 34, 38, 39, 40, 41 |
| Speed | HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/50 Mbps | HSPA, LTE |
| Technology | GSM, CDMA, HSPA, LTE | GSM, CDMA, HSPA, LTE |
Connectivity
| Spec | vivo X21 | vivo Z3 |
|---|---|---|
| Bluetooth | 5 | 4.2 |
| NFC | No | No |
| Positioning | GPS, GLONASS | GPS, GLONASS, BDS |
| Radio | FM radio | FM radio |
| USB Version | 2.0 | 2.0 |
| Wi-Fi | Wi-Fi 5 | Wi-Fi 5 |
Sound
| Spec | vivo X21 | vivo Z3 |
|---|---|---|
| 3.5mm Jack | Yes | Yes |
| Loudspeaker | Yes | Yes |
Features
| Spec | vivo X21 | vivo Z3 |
|---|---|---|
| Sensors | Fingerprint (rear-mounted), accelerometer, proximity, compass | Infrared Face ID, fingerprint (rear-mounted), accelerometer, proximity, compass |
Buying advice for Algeria
Both vivo X21 and vivo Z3 are sold in Algeria, but they fit different priorities.
vivo Z3 packs a 3315 mAh battery, which translates to longer screen-on time when you are away from a charger.
vivo Z3 reaches a higher main-sensor resolution at 16 MP, which helps with crops and lower-light photos.
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